Tomato Cultivation | Vegetable Science | Handbook of Horticulture | Agriculture RS Rajput

Summary

This lecture from the 'Nichoḍ Series' provides an in-depth overview of tomato cultivation, covering botanical details, origin, chromosome number, and nutritional composition. It highlights global and Indian production data, optimum climate and soil requirements, and essential varieties including determinant, indeterminate, semi-determinate, and polyhouse hybrids. Key cultivation practices such as seed rates, spacing, fertilization, staking, and inter-culture operations are explained. The video also addresses major physiological disorders like fruit cracking, blossom end rot, and sunscald, along with critical diseases such as leaf curl and fruit borer, including their vectors. It serves as a concise, exam-focused guide for horticulture students and competitive exam aspirants.

Takeaways

• 😀 The botanical name of tomato includes Solanum lycopersicum and Lycopersicum esculentum.
• 😀 Tomatoes belong to the Solanaceae family, and their origin is in Peru and South America.
• 😀 Tomatoes are diploid with 24 chromosomes.
• 😀 China is the top producer and largest area for tomato cultivation, followed by India in second place.
• 😀 Andhra Pradesh is the leading state for tomato production in India, while Karnataka leads in productivity.
• 😀 Tomatoes are processed into the most products globally, with notable nutrients like sugar (3-4%), solids (4-7%), ascorbic acid (15-30 mg per 100g), and lycopene (6-8 mg per 100g).
• 😀 Lycopene is responsible for the red color of tomatoes, while beta-carotene is responsible for orange tomatoes.
• 😀 Tomatoes thrive in warm climates, with an optimal cultivation temperature of 15-27°C, and prefer sandy loam soil rich in organic matter.
• 😀 There are two main categories of tomato varieties: Determinate (e.g., Pusa Early Dwa, Pusa Upahar) and Indeterminate (e.g., Pusa Ruby, Arka Vikas).
• 😀 Seed rates for tomato cultivation vary: normal varieties require 350-400 grams per hectare, while hybrids require 100-125 grams per hectare.
• 😀 Physiological disorders in tomatoes include fruit cracking due to boron deficiency, blossom end rot caused by calcium deficiency, and sunscald due to exposure to high temperatures.

Q & A

What is the botanical name of tomato?

The botanical name of tomato is Solanum lycopersicum or Lycopersicum esculentum.

What is the origin of the tomato?

The origin of the tomato is Peru and South America.

How many chromosomes does the tomato have?

Tomatoes are diploid and have 24 chromosomes.

Which country leads in tomato production and area?

China is the number one country in both tomato production and cultivation area.

Which state in India ranks first in tomato cultivation?

Andhra Pradesh ranks first in tomato cultivation in India.

What is the highest productivity of tomatoes in India?

The highest tomato productivity in India is observed in Karnataka.

What is the nutritional content of tomatoes?

Tomatoes contain 3-4% total sugar, 4-7% total solids, 15-30 mg of ascorbic acid per 100 grams of edible part, and 6-8 mg of lycopene per 100 grams of edible part.

What pigment gives tomatoes their red color?

The red color of tomatoes is due to the pigment lycopene.

What is the optimum temperature for tomato cultivation?

The optimum temperature for tomato cultivation is between 15°C to 27°C.

What is the best soil type for tomato cultivation?

The best soil for tomato cultivation is sandy loam, rich in organic matter, with a pH of 7 to 8, which can tolerate moderately acidic and saline conditions.

What are the different types of tomato varieties?

Tomatoes are categorized into determinant and indeterminate varieties. Some popular determinant varieties include Pusa Early Dwa, Pusa Sada Bahar, and Pusa Upahar. Indeterminate varieties include Pusa Ruby and Arka Vikas.

What is the recommended seed rate for tomato cultivation?

For tomato cultivation, the recommended seed rate is 75 grams per hectare for the potting method and 100-125 grams per hectare for hybrid varieties.

What are some physiological disorders in tomatoes?

Common physiological disorders in tomatoes include fruit cracking (due to boron deficiency), blossom end rot (due to calcium deficiency), and sunscald (due to exposure to high temperatures).

Which tomato variety is resistant to multiple diseases?

Arka Rakshak and Arka Samrat are tomato varieties that are resistant to three diseases: leaf curl, bacterial wilt, and blight.

What are some common pests and diseases in tomatoes?

Common pests and diseases in tomatoes include leaf curl virus (transmitted by whiteflies) and fruit borers (such as Helicoverpa armigera).

What method is used for propagation in tomato cultivation?

Tomatoes are propagated by seeds. The seed rate differs based on the variety and method, with hybrid varieties requiring a lower seed rate compared to open-pollinated varieties.